On Tue, Oct 13, 2009 at 8:30 PM, Shane Hathaway sh...@hathawaymix.org wrote:
This leads to an interesting question. Memcached or ZEO cache--which is
better?
For what? For relstorage? or for ZEO?
While memcached has a higher minimum performance penalty, it
also has a lower maximum penalty,
On Tue, Oct 13, 2009 at 06:30:31PM -0600, Shane Hathaway wrote:
Laurence Rowe wrote:
Shane's earlier benchmarks show MySQL to be the fastest RelStorage backend:
http://shane.willowrise.com/archives/relstorage-10-and-measurements/
Yep, despite my efforts to put PostgreSQL on top. :-) It
Ross J. Reedstrom wrote:
For my druthers, I just _trust_ PostgreSQL a lot more: the one MySQL DB
I have that I use on an on-going basis is my MythTV media-pc. Once a
month or so I have to repair a table. I've used PostgreSQL in
professional high load production for years and never had a
Jim Fulton wrote:
The most complicated logic in the ZEO cache, which would be just as
complicated with another cache storage implementation and more
complicated with a shared cache storage is making sure the cache
doesn't have stale state. I probably need to look at memcache again,
but every
On Wed, Oct 14, 2009 at 2:48 PM, Shane Hathaway sh...@hathawaymix.org wrote:
Jim Fulton wrote:
...
The biggest problem with ZEO performance on the client side is that
reads require round trips and that generally a client thread only
knows to request one read at a time [1]_. I plan to add an
On Wed, Oct 14, 2009 at 02:20:50PM -0400, Benji York wrote:
On Wed, Oct 14, 2009 at 1:08 PM, Ross J. Reedstrom reeds...@rice.edu wrote:
shared caches: this is the main reason I've been looking at relstore:
we're running many Zope FEs against one ZOE right now, and due to the
nature of the
On Wed, Oct 14, 2009 at 3:38 PM, Ross J. Reedstrom reeds...@rice.edu wrote:
On Wed, Oct 14, 2009 at 02:20:50PM -0400, Benji York wrote:
We're actually set up w/ squid in front of the zope FEs, using IPC to
talk to them all. The default behavior is just to respond w/ a CACHE
MISS and use